./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/count_up_down-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/count_up_down-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/count_up_down-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:09:19,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:19,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:19,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:19,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:19,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:19,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:19,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:19,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:19,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:19,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:19,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:19,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:19,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:19,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:19,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:19,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:19,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:19,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:19,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:19,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:19,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:19,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:19,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:19,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:19,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:19,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:19,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:19,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:19,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:19,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:19,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:19,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:19,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:19,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:19,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:19,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:19,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:19,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:19,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:19,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:19,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:19,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:19,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:19,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:19,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:19,974 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:19,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:19,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:19,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:19,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:19,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:19,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:19,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:19,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:19,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:19,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:19,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:19,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:19,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:19,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:19,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:19,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:19,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:19,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:19,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:19,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:19,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:19,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:19,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:19,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:19,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 [2019-11-24 21:09:20,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:20,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:20,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:20,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:20,687 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:20,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/count_up_down-2.c [2019-11-24 21:09:20,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654d62cf6/a3a52b9ad1de4cf79cccda4e7395957e/FLAGd6e7d7b21 [2019-11-24 21:09:21,958 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:21,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/count_up_down-2.c [2019-11-24 21:09:21,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654d62cf6/a3a52b9ad1de4cf79cccda4e7395957e/FLAGd6e7d7b21 [2019-11-24 21:09:22,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654d62cf6/a3a52b9ad1de4cf79cccda4e7395957e [2019-11-24 21:09:22,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:22,032 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:22,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:22,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:22,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:22,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c37002e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22, skipping insertion in model container [2019-11-24 21:09:22,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:22,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:22,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:22,569 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:22,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:22,618 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:22,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22 WrapperNode [2019-11-24 21:09:22,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:22,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:22,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:22,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:22,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:22,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:22,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:22,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:22,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:22" (1/1) ... [2019-11-24 21:09:22,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:22,849 INFO L168 Benchmark]: Toolchain (without parser) took 799.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:22,851 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:22,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.50 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:22,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:22,861 INFO L168 Benchmark]: Boogie Preprocessor took 25.93 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:22,873 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 590.50 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 163.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 25.93 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:09:26,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:26,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:26,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:26,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:26,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:26,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:26,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:26,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:26,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:26,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:26,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:26,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:26,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:26,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:26,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:26,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:26,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:26,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:26,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:26,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:26,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:26,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:27,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:27,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:27,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:27,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:27,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:27,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:27,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:27,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:27,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:27,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:27,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:27,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:27,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:27,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:27,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:27,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:27,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:27,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:27,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:27,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:27,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:27,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:27,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:27,096 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:27,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:27,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:27,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:27,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:27,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:27,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:27,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:27,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:27,105 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:27,105 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:27,105 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:27,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:27,107 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:27,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:27,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:27,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:27,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:27,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:27,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:27,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:27,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:27,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:27,113 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:27,113 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:27,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:27,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:27,118 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 [2019-11-24 21:09:27,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:27,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:27,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:27,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:27,732 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:27,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/count_up_down-2.c [2019-11-24 21:09:27,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edbb04101/c63c53686b054a52b6f0abcfe1a30dfb/FLAGb78471922 [2019-11-24 21:09:28,976 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:28,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/count_up_down-2.c [2019-11-24 21:09:28,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edbb04101/c63c53686b054a52b6f0abcfe1a30dfb/FLAGb78471922 [2019-11-24 21:09:29,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edbb04101/c63c53686b054a52b6f0abcfe1a30dfb [2019-11-24 21:09:29,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:29,047 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:29,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:29,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:29,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:29,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48265ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29, skipping insertion in model container [2019-11-24 21:09:29,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:29,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:29,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:29,643 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:29,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:29,701 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:29,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29 WrapperNode [2019-11-24 21:09:29,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:29,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:29,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:29,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:29,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:29,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:29,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:29,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:29,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:29" (1/1) ... [2019-11-24 21:09:29,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:29,932 INFO L168 Benchmark]: Toolchain (without parser) took 879.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:29,949 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:29,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:29,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:29,956 INFO L168 Benchmark]: Boogie Preprocessor took 37.11 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:29,969 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 651.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 37.11 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...